I am running Windows 10 on a PC with with the latest upgrade installed (6.3). If I move from Develop to Library back to the Develop module, I get the message LR "not responding". LR hands. This problem started with version 6.2.

I am running Windows 10 on a PC with with the latest upgrade installed (6.3). If I move from Develop to Library back to the Develop module, I get the message LR "not responding". LR hands. This problem started with version 6.2.